const Koa = require('koa')
const app = new Koa()
const router = require('koa-route')

const logger = (ctx, next) => {
    console.log(`${ctx.url}--${ctx.method}--${new Date()}`);
    next()
}

const home = (ctx) => {
    ctx.body = '<h2>首页</h2>'
}

const about = (ctx) => {
    ctx.body = '<a href="/home>去首页</a>'
}

app.use(logger) // 中间件
app.use(router.get('/home', home))
app.use(router.get('/about', about))


app.listen(3000, ()=> {
    console.log('listening on 3000');
})